Invention Grant
- Patent Title: PCC with reduced portlandite content
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Application No.: US16365278Application Date: 2019-03-26
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Publication No.: US11021374B2Publication Date: 2021-06-01
- Inventor: Daniel E. Gerard , Patrick A. C. Gane
- Applicant: Omya International AG
- Applicant Address: CH Oftringen
- Assignee: Omya International AG
- Current Assignee: Omya International AG
- Current Assignee Address: CH Oftringen
- Agency: Fay Sharpe LLP
- Priority: EP14190261 20141024
- Main IPC: C01F11/18
- IPC: C01F11/18 ; D21H19/38 ; D21H17/67
Abstract:
The present invention is directed to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a milk of lime is prepared by mixing water, a calcium oxide containing material, and a precipitation enhancer, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.
Public/Granted literature
- US20190218107A1 PCC WITH REDUCED PORTLANDITE CONTENT Public/Granted day:2019-07-18
Information query
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